--- old/src/java.base/share/classes/java/util/concurrent/ConcurrentSkipListMap.java	2018-04-10 11:23:41.139343801 -0700
+++ new/src/java.base/share/classes/java/util/concurrent/ConcurrentSkipListMap.java	2018-04-10 11:23:40.951343887 -0700
@@ -3412,7 +3412,7 @@
             VAL = l.findVarHandle(Node.class, "val", Object.class);
             RIGHT = l.findVarHandle(Index.class, "right", Index.class);
         } catch (ReflectiveOperationException e) {
-            throw new Error(e);
+            throw new ExceptionInInitializerError(e);
         }
     }
 }